Bip39 Standard. Is passphrase the same as PIN? No, a passphrase just isn't the same as a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of security on your wallet that works alongside your seed phrase to encrypt and guard your wallet. A PIN, On https://socialinplace.com/story4972835/bip39-wallets-https-linktr-ee-bip39-a-review-of-bip39-word-list-pdf